Free trade agreements
The goal of both NAFTA and the EU is to create free trade between the countries of their given continent.
Free trade means no tariffs on imported goods and the ability of corporations to move their products from country to country with no penalty. For NAFTA, Canada, the US, and Mexico can freely trade across the borders and tariffs will not be imposed under the treaty.
Respect for human rights has improved over time. Modeling the changing standard of accountability. The United Nations adopted the Universal Declaration of Human Rights in 1948, putting into place a collection of international treaties intended to limit repression and abuse around the globe.
This is the definition of the word obligation.